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WO2007104673A3 - Method for the pneumatic conveying of water-absorbent polymer particles - Google Patents

Method for the pneumatic conveying of water-absorbent polymer particles Download PDF

Info

Publication number
WO2007104673A3
WO2007104673A3 PCT/EP2007/052088 EP2007052088W WO2007104673A3 WO 2007104673 A3 WO2007104673 A3 WO 2007104673A3 EP 2007052088 W EP2007052088 W EP 2007052088W WO 2007104673 A3 WO2007104673 A3 WO 2007104673A3
Authority
WO
WIPO (PCT)
Prior art keywords
water
polymer particles
absorbent polymer
pneumatic conveying
conveying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2007/052088
Other languages
German (de)
French (fr)
Other versions
WO2007104673A2 (en
Inventor
Ruediger Funk
Hermann Josef Feise
Hanno Ruediger Wolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Priority to JP2008558777A priority Critical patent/JP2009529478A/en
Priority to CN200780009196.9A priority patent/CN101400588B/en
Priority to EP07712458A priority patent/EP1996493A2/en
Priority to US12/281,724 priority patent/US8651773B2/en
Publication of WO2007104673A2 publication Critical patent/WO2007104673A2/en
Publication of WO2007104673A3 publication Critical patent/WO2007104673A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04—Bulk
    • B65G2201/042—Granular material

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Air Transport Of Granular Materials (AREA)

Abstract

The invention relates to a method for the pneumatic conveying of water-absorbent polymer particles, wherein the initial gas speed during the conveying process is between 1 and 6 m/s and the conveyed product concentration lies between 1 and 100 kg/kg.
PCT/EP2007/052088 2006-03-14 2007-03-06 Method for the pneumatic conveying of water-absorbent polymer particles Ceased WO2007104673A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2008558777A JP2009529478A (en) 2006-03-14 2007-03-06 Method for conveying water-absorbing polymer particles by air
CN200780009196.9A CN101400588B (en) 2006-03-14 2007-03-06 Method for pneumatic conveying of water-absorbing polymer particles
EP07712458A EP1996493A2 (en) 2006-03-14 2007-03-06 Method for the pneumatic conveying of water-absorbent polymer particles
US12/281,724 US8651773B2 (en) 2006-03-14 2007-03-06 Process for pneumatic conveying of water-absorbing polymer particles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06111093 2006-03-14
EP06111093.8 2006-03-14

Publications (2)

Publication Number Publication Date
WO2007104673A2 WO2007104673A2 (en) 2007-09-20
WO2007104673A3 true WO2007104673A3 (en) 2007-11-22

Family

ID=38042481

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/052088 Ceased WO2007104673A2 (en) 2006-03-14 2007-03-06 Method for the pneumatic conveying of water-absorbent polymer particles

Country Status (5)

Country Link
US (1) US8651773B2 (en)
EP (1) EP1996493A2 (en)
JP (1) JP2009529478A (en)
CN (1) CN101400588B (en)
WO (1) WO2007104673A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9233186B2 (en) 2010-03-12 2016-01-12 Nippon Shokubai Co., Ltd. Process for producing water-absorbing resin

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JP5264512B2 (en) * 2006-03-14 2013-08-14 ビーエーエスエフ ソシエタス・ヨーロピア Method for conveying water-absorbing polymer particles by air
CN101641154A (en) 2007-03-29 2010-02-03 株式会社日本触媒 Particulate water absorbent and process for producing the same
JP5350361B2 (en) 2008-03-13 2013-11-27 株式会社日本触媒 Filling method of particulate water-absorbing agent mainly composed of water-absorbing resin
JP5710966B2 (en) * 2008-03-28 2015-04-30 株式会社日本触媒 Transport method of water absorbent resin powder
CN104974358B (en) 2009-03-31 2018-11-23 株式会社日本触媒 The manufacturing method of particle-shape water-absorbing resin
EP2486084B1 (en) 2009-10-09 2016-03-23 Basf Se Process for remoisturizing surface-postcrosslinked water-absorbing polymer particles
CN102574941B (en) 2009-10-09 2015-09-16 巴斯夫欧洲公司 For the method for cross-linking of water-absorbing polymer particles behind rewetting surface
DE102010000706A1 (en) * 2010-01-06 2010-10-14 Basf Se Conveying a stream of liquid containing methacrylic monomer using conveying pump through pipe line, in which an aperture is introduced at a position located in conveying direction of stream of liquid behind and/or above the conveying pump
JP5605855B2 (en) 2010-02-10 2014-10-15 株式会社日本触媒 Method for producing water absorbent resin powder
EP3464427B1 (en) 2016-05-31 2021-01-06 Basf Se Method for the production of superabsorbers
JP6913107B2 (en) 2016-11-16 2021-08-04 株式会社日本触媒 Manufacturing method of water-absorbent resin powder and its manufacturing equipment
DE102017206842A1 (en) * 2017-04-24 2018-10-25 Coperion Gmbh Method for pneumatic conveying of plastic granules
US11161699B2 (en) * 2019-06-18 2021-11-02 Braskem America, Inc. Solids conveying with multi-diameter piping circuit

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WO2000039009A1 (en) * 1998-12-23 2000-07-06 Birrus Engineering Pty Ltd Conveying particulate material in a pressurised gas

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CN101641154A (en) * 2007-03-29 2010-02-03 株式会社日本触媒 Particulate water absorbent and process for producing the same
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JP5350361B2 (en) * 2008-03-13 2013-11-27 株式会社日本触媒 Filling method of particulate water-absorbing agent mainly composed of water-absorbing resin
JP5710966B2 (en) * 2008-03-28 2015-04-30 株式会社日本触媒 Transport method of water absorbent resin powder
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EP0439012A2 (en) * 1990-01-09 1991-07-31 Kimberly-Clark Corporation Method and apparatus for intermittently depositing particulate material in a substrate and article made therewith
WO2000039009A1 (en) * 1998-12-23 2000-07-06 Birrus Engineering Pty Ltd Conveying particulate material in a pressurised gas

Non-Patent Citations (1)

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See also references of EP1996493A2 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9233186B2 (en) 2010-03-12 2016-01-12 Nippon Shokubai Co., Ltd. Process for producing water-absorbing resin
US9272068B2 (en) 2010-03-12 2016-03-01 Nippon Shokubai Co., Ltd. Process for producing water-absorbing resin

Also Published As

Publication number Publication date
WO2007104673A2 (en) 2007-09-20
EP1996493A2 (en) 2008-12-03
JP2009529478A (en) 2009-08-20
CN101400588A (en) 2009-04-01
CN101400588B (en) 2014-04-16
US8651773B2 (en) 2014-02-18
US20090060660A1 (en) 2009-03-05

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